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## Index: C

c command (sed): 5.5. Append, Insert, and Change
capitalization, converting: 5.7. Transform
  6.3.1. A Capital Transformation
  9.2. String Functions
  9.2.4. Converting Case
case sensitivity: 3.1. That's an Expression
  9.2.4. Converting Case
  (see also capitalization, converting)
  character classes for: 3.2.4. Character Classes
  IGNORECASE variable (gawk): 11.2.3.8. Additional variables
  variable names: 7.6. Expressions
change command (see c command (sed))
character classes: 3.2.4. Character Classes
characters
  hiding special: 12.3.1. How to Hide a Special Character
  matching at word start/end: 3.2.11. What's the Word? Part II
  measured span of: 3.2. A Line-Up of Characters
    3.2.8. A Span of Characters
  metacharacters (see metacharacters)
  newline (see newline characters)
  range of (see character classes)
  space (see space characters)
  stripping non-printable nroff: 5.6.1. Stripping Out Non-Printable Characters from nroff Files
circumflex (^)
  character classes and: 3.2. A Line-Up of Characters
    3.2.4.2. Excluding a class of characters
  ^= (assignment) operator: 7.6. Expressions
  exponentiation operator: 7.6. Expressions
  as metacharacter: 3.2. A Line-Up of Characters
    3.2.7. Positional Metacharacters
  in multiline pattern space: 6.1.1. Append Next Line
close( ): 10.5.2. Working with Multiple Files
closing files/pipes: 10.2. The close( ) Function
  10.5.2. Working with Multiple Files
closure: 3.2.5. Repeated Occurrences of a Character
collating symbols: 3.2.4.3. POSIX character class additions
colon (:) for labels: 6.4. Advanced Flow Control Commands
columns, output as: 10.6. Generating Columnar Reports
combine script (example): 13.3. combine—Extract Multipart uuencoded Binaries
"command garbled" message: 2.3.1.1. Command garbled
  5.1. About the Syntax of sed Commands
command-line options, gawk: 11.2.3.1. Command line options
command-line parameters
  array of: 8.6.1. An Array of Command-Line Parameters
  passing into script: 7.10. Passing Parameters Into a Script
command-line syntax: 2.2. Command-Line Syntax
  A.1. Command-Line Syntax
  B.1. Command-Line Syntax
commands: 2.4.1. Running awk
  (see also under specific command)
  awk: B.3. Command Summary for awk
  executing expressions as: 10.3. The system( ) Function
  grouping: 4.2.1. Grouping Commands
    5.1. About the Syntax of sed Commands
  menu-based generator (example): 10.4. A Menu-Based Command Generator
  multiple: 2.4.1. Running awk
  order of: 4.1. Applying Commands in a Script
  sed: 5. Basic sed Commands
    6. Advanced sed Commands
    A.3. Command Summary for sed
  syntax for: A.2. Syntax of sed Commands
comments: 5.2. Comment
  10.7.4. Commenting Out Loud
  B.2.2.2. Comments
  in awk scripts: 7.4.1. Describing Your Script
commercial versions of awk: 11.3. Commercial awks
comparing
  relationship operators for: 7.8. Relational and Boolean Operators
  strings: 9.2.5. The match( ) Function
concatenation: 3.1. That's an Expression
  7.6. Expressions
conditional statements: 8.1. Conditional Statements
  11.1.3. The C Conditional Expression
constants: B.2.5.1. Constants
constants, hexadecimal (tawk): 11.3.2.1. Tawk language extensions
continue statement: 8.3. Other Statements That Affect Flow Control
continued lines: 11.2.3.3. Line continuation
converting: 8.4.5. Making Conversions
  acronym processor (example): 8.5. An Acronym Processor
  case: 9.2.4. Converting Case
  numbers to strings: 7.7. System Variables
CONVFMT variable: 7.7. System Variables
  8.4.1. Associative Arrays
copying programs: 10.7.1. Make a Copy
cos( ): 9.1.1. Trigonometric Functions
counters in for loops: 8.2.3. For Loop
cross-referencing scheme: 1.1. May You Solve Interesting Problems
csh shell: 1.4. Four Hurdles to Mastering sed and awk
  2.3.1. Specifying Simple Instructions
curly braces (see braces)
customizing functions: 9.3. Writing Your Own Functions

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